This programme supported a wide range of Power-Take Off systems that each proposed a step change in the capital cost and/or efficiency/performance over current technology.
This project evaluated the efficiency, flexibility and robustness of an electro-mechanical PTO system which transforms bi-directional movement into a uni-directional rotation.
A design study for an advanced, hybrid electro-hydraulic power take off system that aims to drive forward a step change in the levelised cost of energy.
This feasibility study investigated the application of a direct drive, contra‐rotating generator to different WEC architectures.
A feasibility study to determine if a novel electric generator with an integral magnetic gearing system, developed for a lightweight wind turbine generator, can be adapted for use as a PTO system by…
The project aimed to develop and test a novel, innovative hydraulic PTO concept consisting of a flexible compliant polymer spring tube.
This project investigated the feasibility of technology transfer from the automotive industry to the wave energy sector. NEAPED used the latest mass produced electric vehicle technology as the basis…
This PTO design aimed to utilise a novel combination of proven hydraulic and power electronic systems to increase the power capture, reliability, controllability and grid compatibility of WECs.
This project developed a PTO module comprising a gearbox and generator capable of converting the reciprocal motion of a wave energy converter into grid-compliant electricity at a low cost of energy.
The project aimed to develop a breakthrough technology for direct conversion of oscillating mechanical energy of ocean waves into electricity through the employment of dielectric elastomer generators.
This project characterised and assessed the feasibility of a novel hybrid PTO configuration that is inspired by those used in the automotive sector which have significantly reduced fuel consumption.
The project integrated Artemis Digital Displacement Pump-Motor (DDPM) technology into a state of the art PTO system to produce a ‘hybrid’ with a combined capability greater than the sum of its parts.
The Blue Power PTO, based on ballscrew technology, aimed to achieve early and reliable deployment suitable for a range of WEC designs by utilising existing hardware components in a novel application.
This project optimises and demonstrates its variable damping linear drivetrain concept, which combines a linear hydraulic “gearbox” with either a conventional or an advanced linear generator.
The WaveDrive project progressed the design and development of a low cost, highly reliable and highly controllable linear generator (LG) power take off (PTO) technology for wave energy converters.
The ENERGE project demonstrated the advantages of using a reciprocating linear drive featuring a high efficiency, recirculating ballscrew technology to convert energy from ocean waves to electricity.
The C-GEN generator is a novel direct drive linear generator which is easy to manufacture and assemble, as well as being highly efficient over a wide range of loads.
This project aimed to deliver a highly reliable PTO solution using innovative control technology offering a step-change improvement in performance and cost to the wave energy sector.
Guidance documents for all Stages of the PTO programme, entry to which took place in 2015.
